Boise City, ID Weather & Growing Conditions
Tonight
54°F
Mostly Clear
Mostly clear, with a low around 54. East northeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Mostly Clear | 3 mph ENE | 2% |
| Sunday | 81°F | Sunny | 5 mph SSE | 1% |
| Sunday Night | 56°F | Mostly Clear | 5 mph NNW | 0% |
| Monday | 84°F | Sunny | 5 mph SE | 0% |
| Monday Night | 58°F | Partly Cloudy | 5 mph N | 0% |
| Tuesday | 86°F | Mostly Sunny | 5 mph SE | 0% |
| Tuesday Night | 58°F | Partly Cloudy | 2 to 6 mph NE | 1% |
| Wednesday | 86°F | Sunny | 3 to 7 mph SSE | 0% |
| Wednesday Night | 58°F | Mostly Clear | 2 to 6 mph NNE | 1% |
| Thursday | 87°F | Sunny | 3 to 8 mph ESE | 0% |
| Thursday Night | 59°F | Partly Cloudy | 7 mph NE | 1% |
| Friday | 84°F | Mostly Sunny | 5 to 8 mph SSE | 1% |
| Friday Night | 55°F | Partly Cloudy | 3 to 8 mph NW | 5% |
| Saturday | 77°F | Mostly Sunny | 3 to 8 mph NW | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Boise City, ID
Last spring frost
Apr 24
First fall frost
Oct 21
Growing season
179 days
Hardiness zone
7a
Explore more for Boise City, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Boise Air Terminal, Id (2.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.